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springtail n. 跳蟲 跳蟲 springtail n 1: any of numerous minute wingless primitive insects possessing a special abdominal appendage that allows the characteristic nearly perpetual springing pattern; found in soil rich in organic debris or on the surface of snow or water [ synonym: { collembolan}, { springtail}] Pintail \ Pin" tail`\, n. 1. ( Zool.) A northern duck ({ Dafila acuta}), native of both continents. The adult male has a long, tapering tail. Called also { gray duck}, { piketail}, { piket- tail}, { spike- tail}, { split- tail}, { springtail}, { sea pheasant}, and { gray widgeon}. [ 1913 Webster] 2. ( Zool.) The sharp- tailed grouse of the great plains and Rocky Mountains ({ Pedioc[ ae] tes phasianellus}); -- called also { pintailed grouse}, { pintailed chicken}, { springtail}, and { sharptail}. [ 1913 Webster]
Springtail \ Spring" tail`\ (- t[= a] l`), n. ( Zool.) Any one of numerous species of small apterous insects belonging to the order { Thysanura}. They have two elastic caudal stylets which can be bent under the abdomen and then suddenly extended like a spring, thus enabling them to leap to a considerable distance. See { Collembola}, and { Podura}. [ 1913 Webster]
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